public BasicConstraints(boolean cA) {
if (cA) {
this.cA = ASN1Boolean.getInstance(true);
} else {
this.cA = null;
}
this.pathLenConstraint = null;
}
private BasicConstraints(ASN1Sequence seq) {
if (seq.size() == 0) {
this.cA = null;
this.pathLenConstraint = null;
} else {
if (seq.getObjectAt(0) instanceof ASN1Boolean) {
this.cA = ASN1Boolean.getInstance(seq.getObjectAt(0));
} else {
this.cA = null;
this.pathLenConstraint = ASN1Integer.getInstance(seq.getObjectAt(0));
}
if (seq.size() > 1) {
if (this.cA != null) {
this.pathLenConstraint = ASN1Integer.getInstance(seq.getObjectAt(1));
} else {
throw new IllegalArgumentException("wrong sequence in constructor");
}
}
}
}
/**
* create a cA=true object for the given path length constraint.
*
* @param pathLenConstraint
*/
public BasicConstraints(int pathLenConstraint) {
this.cA = ASN1Boolean.getInstance(true);
this.pathLenConstraint = new ASN1Integer(pathLenConstraint);
}
public class BasicConstraints extends ASN1Object {
ASN1Boolean cA = ASN1Boolean.getInstance(false);
ASN1Integer pathLenConstraint = null;
public static BasicConstraints getInstance(ASN1TaggedObject obj, boolean explicit) {
return getInstance(ASN1Sequence.getInstance(obj, explicit));
}
public static BasicConstraints getInstance(Object obj) {
if (obj instanceof BasicConstraints) {
return (BasicConstraints) obj;
}
if (obj instanceof X509Extension) {
return getInstance(X509Extension.convertValueToObject((X509Extension) obj));
}
if (obj != null) {
return new BasicConstraints(ASN1Sequence.getInstance(obj));
}
return null;
}
public static BasicConstraints fromExtensions(Extensions extensions) {
return BasicConstraints.getInstance(
extensions.getExtensionParsedValue(Extension.basicConstraints));
}
private BasicConstraints(ASN1Sequence seq) {
if (seq.size() == 0) {
this.cA = null;
this.pathLenConstraint = null;
} else {
if (seq.getObjectAt(0) instanceof ASN1Boolean) {
this.cA = ASN1Boolean.getInstance(seq.getObjectAt(0));
} else {
this.cA = null;
this.pathLenConstraint = ASN1Integer.getInstance(seq.getObjectAt(0));
}
if (seq.size() > 1) {
if (this.cA != null) {
this.pathLenConstraint = ASN1Integer.getInstance(seq.getObjectAt(1));
} else {
throw new IllegalArgumentException("wrong sequence in constructor");
}
}
}
}
public BasicConstraints(boolean cA) {
if (cA) {
this.cA = ASN1Boolean.getInstance(true);
} else {
this.cA = null;
}
this.pathLenConstraint = null;
}
/**
* create a cA=true object for the given path length constraint.
*
* @param pathLenConstraint
*/
public BasicConstraints(int pathLenConstraint) {
this.cA = ASN1Boolean.getInstance(true);
this.pathLenConstraint = new ASN1Integer(pathLenConstraint);
}
public boolean isCA() {
return (cA != null) && cA.isTrue();
}
public BigInteger getPathLenConstraint() {
if (pathLenConstraint != null) {
return pathLenConstraint.getValue();
}
return null;
}
/**
* Produce an object suitable for an ASN1OutputStream.
*
* <pre>
* BasicConstraints := SEQUENCE {
* cA BOOLEAN DEFAULT FALSE,
* pathLenConstraint INTEGER (0..MAX) OPTIONAL
* }
* </pre>
*/
public ASN1Primitive toASN1Primitive() {
ASN1EncodableVector v = new ASN1EncodableVector();
if (cA != null) {
v.add(cA);
}
if (pathLenConstraint != null) // yes some people actually do this when cA is false...
{
v.add(pathLenConstraint);
}
return new DERSequence(v);
}
public String toString() {
if (pathLenConstraint == null) {
if (cA == null) {
return "BasicConstraints: isCa(false)";
}
return "BasicConstraints: isCa(" + this.isCA() + ")";
}
return "BasicConstraints: isCa("
+ this.isCA()
+ "), pathLenConstraint = "
+ pathLenConstraint.getValue();
}
}